| Coord 2000 | 20151+3820 |
Discov num | SLE 977 |
Comp | Coord arcsec 2000 | 20 15 06.80 +38 19 55.7 |
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| Date first | 1985 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 276 |
Pa last | 279 |
P.A. Now (θ) | 279° |
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| Sep first | 7.2 |
Sep last | 7.3 |
Sep. Now (ρ) | 7.3" |
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| Mag pri | 12.40 |
Mag sec | 12.50 |
delta mag (ΔM) | 0.1 |
Spectral class | |||||
| Pri motion ra | +007 |
Sec motion ra | -001 |
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| Pri motion dec | -003 |
Sec motion dec | -009 |
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| Notes | |||||||||||
| Precise pa | 278.8 |
Precise sep | 7.255 |
Constellation | Cygnus |
Tycho2 | 3151-02143-1 |
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| Gaia DR2 | 2060951120821362816 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20151+3820 | SLE 977 | 1998 | 2 | 280 | 7.2 | 12.40 | 12.50 | D | 201506.80+381955.7 | ||
| 20151+3820 | SLE 977 | 2002 | 3 | 279 | 7.3 | 12.40 | 12.50 | D | 201506.80+381955.7 | ||
| 20151+3820 | SLE 977 | 2015 | 4 | 279 | 7.3 | 12.40 | 12.50 | 201506.80+381955.7 |